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How many octahedral and tetrahedral voids are present in HCP?
Ans) octa -no of atoms prsnt ,nd tetra -twice of it.
Critical Angle: The particular angle of incidence at which angle of refraction becomes 90 is known as critical Angle and it is denoted by θc
Compute the percent ionic character of the interatomic bonds for the following compound: TiO2.
A transition metal X has a configuration [Ar] 3d 4 in its +3 oxidation state. Its atomic number is: (1) 25 (2) 26 (3) 22 (4) 19 Ans: 25
In Bohr's model, atomic radius of the first orbit is γ the radius of the 3rd orbit, is: (1) γ/ 3 (2)γ (3) 3γ (4) 9γ Ans: 9γ
Chemical formula of benedict solution is Feso 4 .7H 2 o
two equivalent - one equivalent
A house is air conditioned using solar energy. Solar radiation heats a pressurized tank such that the temperature is maintained at 175 o C. 1500 kJ must be extracted from the hou
A compound is prepared by two elements N and M. The element N forms ccp structure and atoms of M occupy 1/3rd of tetrahedral voids. Determine the formula of the compound ?
The number of nodal planes in a Px is: (1) One (2) Two (3) Three (4) Zero Ans: One
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